What is 5906+689*56/2-3

You need to follow PEMDAS, which tells you what to do first.

1. Parenthesis

2. Exponents

3. Multiplication and Division (do whichever comes first from left to right)

4. Addition and Subtraction (do whichever comes first from left to right)

Following that, we get this.

689 * 56 = 38584

38584 / 2 = 19292

5906 + 19292 - 3 = 25195

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percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

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